← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 973 · 40 questions
TalentJR

The fast method (Keep a running total): Start with the first number. Add the tens of the next number, then its ones. Keep going until the list ends — only one total in your head at a time.

NameDateTime takenScore ___ / 40
  1. 1.13 + 47 + 32 + 45 =
  2. 2.15 + 39 + 20 + 11 =
  3. 3.52 + 42 + 39 + 54 =
  4. 4.50 + 87 + 68 + 40 =
  5. 5.70 + 20 + 14 + 68 =
  6. 6.31 + 23 + 78 + 56 =
  7. 7.76 + 42 + 61 + 38 =
  8. 8.60 + 49 + 73 + 24 =
  9. 9.89 + 52 + 76 + 19 =
  10. 10.28 + 54 + 58 + 24 =
  11. 11.12 + 39 + 70 + 78 =
  12. 12.49 + 15 + 66 + 56 =
  13. 13.63 + 20 + 48 + 12 =
  14. 14.12 + 87 + 88 + 82 =
  15. 15.68 + 82 + 51 + 58 =
  16. 16.68 + 89 + 55 + 81 =
  17. 17.74 + 51 + 12 + 66 =
  18. 18.49 + 21 + 13 + 46 =
  19. 19.22 + 81 + 83 + 33 =
  20. 20.38 + 38 + 19 + 67 =
  21. 21.34 + 26 + 46 + 64 =
  22. 22.36 + 89 + 33 + 58 =
  23. 23.51 + 38 + 23 + 51 =
  24. 24.19 + 89 + 50 + 80 =
  25. 25.14 + 20 + 32 + 69 =
  26. 26.41 + 11 + 85 + 27 =
  27. 27.62 + 61 + 63 + 18 =
  28. 28.63 + 67 + 76 + 80 =
  29. 29.70 + 20 + 68 + 51 =
  30. 30.32 + 19 + 11 + 42 =
  31. 31.86 + 31 + 26 + 34 =
  32. 32.30 + 64 + 75 + 25 =
  33. 33.68 + 56 + 85 + 17 =
  34. 34.18 + 15 + 40 + 17 =
  35. 35.44 + 66 + 56 + 36 =
  36. 36.87 + 31 + 49 + 77 =
  37. 37.88 + 32 + 16 + 16 =
  38. 38.72 + 17 + 85 + 43 =
  39. 39.60 + 46 + 22 + 45 =
  40. 40.85 + 29 + 18 + 12 =

Answer key

  1. 137
  2. 85
  3. 187
  4. 245
  5. 172
  6. 188
  7. 217
  8. 206
  9. 236
  10. 164
  11. 199
  12. 186
  13. 143
  14. 269
  15. 259
  16. 293
  17. 203
  18. 129
  19. 219
  20. 162
  21. 170
  22. 216
  23. 163
  24. 238
  25. 135
  26. 164
  27. 204
  28. 286
  29. 209
  30. 104
  31. 177
  32. 194
  33. 226
  34. 90
  35. 202
  36. 244
  37. 152
  38. 217
  39. 173
  40. 144

Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths